The chevron osteotomy for correction of hallux valgus: Comparison of findings after two and five years of follow-up
Background: The chevron osteotomy, an accepted method for the correction of mild and moderate hallux valgus, is generally advocated for patients younger than the age of fifty years. The purposes of this prospective study were to compare the short-term (two-year) and intermediate-term (five-year) results of this operation with respect to patient satisfaction, flexion and extension of the metatarsophalangeal joint, maintenance of correction, and development of arthrosis and to determine whether the effectiveness of the procedure was limited by age. Methods: Between April 1991 and September 1992, the chevron osteotomy was performed for the treatment of mild-to-moderate hallux valgus deformity in sixty-six consecutive feet. Forty-three patients (fifty-seven feet) were available for follow-up at both two and five years postoperatively. The two-year and five-year clinical assessments were based on the American Orthopaedic Foot and Ankle Society's hallux-metatarsophalangeal-interphalangeal scale. Results: Between the two-year and five-year follow-up evaluations, there was only a minimal change in overall patient satisfaction, and the average score on the hallux-metatarsophalangeal-interphalangeal scale was unchanged. The passive range of motion of the first metatarsophalangeal joint decreased between the preoperative assessment and the two-year follow-up evaluation and was unchanged at the five-year follow-up evaluation. Radiographic evaluation showed no changes in the hallux valgus or intermetatarsal angle between the two-year and five-year evaluations, although the number of feet with arthrosis of the metatarsophalangeal joint increased slightly, from eight to eleven. Patients aged fifty years or older did as well as younger patients. Conclusions: At these two follow-up periods, the chevron osteotomy was found to be a reliable procedure for the correction of mild and moderate hallux valgus deformity, and outcome did not differ on the basis of age.
Trnka, HJ; Zembsch, A; Easley, ME; Salzer, M; Ritschl, P; Myerson, MS
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